[    1.792430] ip (255) used greatest stack depth: 12296 bytes left
[    2.213356] ip (295) used greatest stack depth: 12248 bytes left
[    3.015644] ip (380) used greatest stack depth: 12232 bytes left
[   53.741092] netem: version 1.3
[  577.830085] tc (15677) used greatest stack depth: 11952 bytes left
[  635.515923] pm_nl_ctl (18823) used greatest stack depth: 11872 bytes left